2020-06-082020-06-082006Plaza Valtueña, G., Marqués Sillero, R. y Medina Mena, F. (2006). Quasi-TM MoL/MoM approach for computing the transmission-line parameters of lossy lines. IEEE Transactions on Microwave Theory and Techniques, 54 (1), 198-209.0018-94801557-9670https://hdl.handle.net/11441/97537This paper presents a quasi-TM approach for the fundamental mode of transmission lines with semiconductor substrates and nonperfect metallic conductors. The approach has allowed us to develop a transmission-line model by properly defining frequency-dependent parameters in terms of the quasi-static electric potential and the electric current density along the propagation direction in the line. The previous quasi-TM analysis avoids the involved numerical root finding process typical in full-wave analysis, and overcomes the limitations of the conventional quasi-TEM approach to account for the effects of the longitudinal currents present both in the lossy substrates and in the nonperfect conductors. The transmission-line parameters have been computed by a hybrid technique that combines the method of lines with the method of the moments (MoM). The total CPU effort has been considerably reduced thanks to the possibility of finding closed-form expressions for the reaction integrals appearing in the MoM. Comparisons with previous computed and measured results show the validity of the present modelapplication/pdf12 p.engAttribution-NonCommercial-NoDerivatives 4.0 Internacionalhttp://creativecommons.org/licenses/by-nc-nd/4.0/Conductor lossesCoplanar waveguide (CPW)Metal–insulator–semiconductor (MIS)Method of lines (MoL)MicrostripSubstrate lossesTransmission-line modelinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/openAccess10.1109/TMTT.2005.8605076702401